package com.github.rxyor.common.core.thread;

import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicInteger;

/**
 *<p>
 *
 *</p>
 *
 * @author liuyang
 * @date 2019-05-21 Tue 15:38:00
 * @since 1.0.0
 */
public class CarpThreadFactory implements ThreadFactory {

    private static final AtomicInteger poolNumber = new AtomicInteger(1);
    private final ThreadGroup group;
    private final AtomicInteger threadNumber = new AtomicInteger(1);
    private final String namePrefix;

    public CarpThreadFactory() {
        SecurityManager s = System.getSecurityManager();
        group = (s != null) ? s.getThreadGroup() :
            Thread.currentThread().getThreadGroup();
        namePrefix = "carp-pool-" +
            poolNumber.getAndIncrement() +
            "-thread-";
    }

    @Override
    public Thread newThread(Runnable r) {
        Thread t = new Thread(group, r,
            namePrefix + threadNumber.getAndIncrement(),
            0);
        if (t.isDaemon()) {
            t.setDaemon(false);
        }
        if (t.getPriority() != Thread.NORM_PRIORITY) {
            t.setPriority(Thread.NORM_PRIORITY);
        }
        return t;
    }
}
